d >> the budget of the united states is huge. it's $3.6 trillion, right? and in there arall sorts of deals to favor one industry or one company or one segment of the society. last year the government took in $1.3 trillion in tax revenue but the treasury adds up the t value of all the loopholes, deductions and credits and they amounted to $1.1 trillion. sothey gave away almost as much money as they collected.ga >> reporter: largely says wessle because over a nice lunch lobbyists can convince lawmakers to change the tax code. >> someone says, you know, the law isn't really clear on this facet or the tax court has ruled this and if we could just get a piece of legislation in that would clarify this it would be in my interests and, by the way, congressman, i was so happy to see you at your fund-raiser last night. >> reporter: well, it can't be that blatant! >> it's rarely that bald a transaction, but occasionally it is. but you are naturally more likely to have lunch here with meone who's raised money for your campaign than someone who turned down every invita